Exercises

Research Concepts

  1. Discuss some survey-based problems you might encounter where regression analysis could be used.
  2. What type of dependent variable is regression analysis appropriate for?
  3. List and discuss several data problems typically encountered with data from a data warehouse or data mart.
  4. Discuss some issues associated with multicollinearity. Why is this important whether you’re modeling sales or survey data?
  5. What is the dummy variable trap?
  6. What is a disturbance term? Discuss several assumptions regrading a disturbance.
  7. Distinguish between effects and dummy coding. Why is dummy coding usually used in demand modeling?
  8. What is an elasticity? Distinguish among the various types of elasticities ...

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